* Add more strict rxjs lint rules and get rid of rxjs 5 usages

* Use proper naming suffix for private var

* Fix conflicts

* Bump required node version

* Migrate angular from v8 to v9

* Bump rest of dependencies

* Bump angular material

* Update tsconfig

* Fix ace editor

* Cleanup

* Fix i18n

Fixed typescript format due to introducing `prettier`.
Also, drop `clang-format` in favor of `prettier`.

* Restore previous code formatting

* Update required node version

* Add d3 scale types

* Fix typescript formatting in favor of gts 1.0.0

This commit fixes format errors by `prettier`.

* Fix deprecated errors in favor of gts 1.0.0

* Ignore version.ts in gts and prettier

Remove unused button components

Also, make some changes to the api to allow for omiting specification of container.

* make fonts larger (md-body instead of md-caption)
* use only color and sizes from variables.scss
* use less different colors
* simplify CSS rules

Please check out this change and compare to previous version.

Now variables are in variables.css in frontend directory. Previously they were in assets, which was wrong because it caused copy to production image.

This change adds linter for styles to the project and updates all styles
to conform with the default set of rules.

This should help us maintain a little bit more consistency in our
styles.

- Now zero state view is stretched to full screen

This also fixes a few breaking changes.

This is to show in a simple layout what the backend returns.

This is all boilerplate that sets up the page, with some example
content. This change alsu updates angular material to newer version.

This change is mostly boilerplate for the two views and cleanup of test
code that has been laying around.

This is a chrome that has Kubernetes-like color palette.

With this change advanced optimizations of the Closure Compiler work and
produce working output.

This is a sample Angular application written in ES6 with modules. It has
sample unit and integration tests. It was generated with a help of
Yeoman.

Don't mind what the application does right now. I'll use it for a next
few days to verify that build system is working. Then it will be
revamped.